Patents by Inventor Priscilla Avenier
Priscilla Avenier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10946370Abstract: A process for the preparation of a catalyst comprising palladium, a porous support with a specific surface area in the range 140 to 250 m2/g, said catalyst being prepared by a process comprising the following steps: a) preparing a colloidal solution of palladium oxide or palladium hydroxide in an aqueous phase; b) adding said solution obtained from step a) to said porous support at a flow rate in the range 1 to 20 litre(s)/hour; said porous support being contained in a rotary impregnation device functioning at a rotational speed in the range 10 to 20 rpm; c) optionally, submitting the impregnated porous support obtained from step b) to a maturation; d) drying the catalyst precursor obtained from step b) or c); e) calcining the catalyst precursor obtained from step d).Type: GrantFiled: April 24, 2017Date of Patent: March 16, 2021Assignee: IFP Energies nouvellesInventors: Carine Petit-Clair, Priscilla Avenier, Michel Martin, Malika Boualleg
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Publication number: 20200254436Abstract: A process for the preparation of a catalyst comprising palladium, a porous support with a specific surface area in the range 140 to 250 m2/g, said catalyst being prepared by a process comprising the following steps: a) preparing a colloidal solution of palladium oxide or palladium hydroxide in an aqueous phase; b) adding said solution obtained from step a) to said porous support at a flow rate in the range 1 to 20 litre(s)/hour; said porous support being contained in a rotary impregnation device functioning at a rotational speed in the range 10 to 20 rpm; c) optionally, submitting the impregnated porous support obtained from step b) to a maturation; d) drying the catalyst precursor obtained from step b) or c); e) calcining the catalyst precursor obtained from step d).Type: ApplicationFiled: April 24, 2017Publication date: August 13, 2020Applicant: IFP Energies nouvellesInventors: Carine PETIT-CLAIR, Priscilla AVENIER, Michel MARTIN, Malika BOUALLEG
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Patent number: 10737243Abstract: A catalyst comprising palladium, a porous support comprising at least one refractory oxide selected from the group constituted by silica, alumina and silica-alumina, the palladium content in the catalyst being in the range 0.01% to 2% by weight with respect to the total catalyst weight, at least 80% by weight of the palladium being distributed in a crust at the periphery of said support, the thickness of said crust being in the range 20 to 100 ?m, characterized in that said support is in the form of an extrudate and in that said support comprises a specific surface area in the range 165 to 250 m2/g.Type: GrantFiled: April 24, 2017Date of Patent: August 11, 2020Assignee: IFP Energies nouvellesInventors: Carine Petit-Clair, Priscilla Avenier, Malika Boualleg
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Patent number: 10710055Abstract: A catalyst comprises an active phase constituted by palladium, and a porous support comprising at least one refractory oxide selected from the group constituted by silica, alumina and silica-alumina, in which: the palladium content in the catalyst is in the range 0.0025% to 1% by weight with respect to the total weight of catalyst; at least 80% by weight of the palladium is distributed in a crust at the periphery of the porous support, the thickness of said crust being in the range 25 to 500 ?m; the specific surface area of the porous support is in the range 1 to 50 m2/g; the metallic dispersion D of the palladium is less than 20%.Type: GrantFiled: November 29, 2017Date of Patent: July 14, 2020Assignee: IFP Energies nouvellesInventors: Malika Boualleg, Priscilla Avenier
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Patent number: 10695748Abstract: A catalyst comprises an active phase constituted by palladium, and a porous support comprising at least one refractory oxide selected from the group constituted by silica, alumina and silica-alumina, in which: the palladium content in the catalyst is in the range 0.0025% to 1% by weight with respect to the total weight of catalyst; at least 80% by weight of the palladium is distributed in a crust at the periphery of the porous support, the thickness of said crust being in the range 25 to 450 ?m; the specific surface area of the porous support is in the range 70 to 160 m2/g; the metallic dispersion D of the palladium is less than 20%.Type: GrantFiled: November 28, 2017Date of Patent: June 30, 2020Assignee: IFP Energies NouvellesInventors: Malika Boualleg, Priscilla Avenier
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Patent number: 10471414Abstract: The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and at least one lanthanide group element, the content of phosphorus element being comprised between 0.4 and 1% by weight, and the content of lanthanide group element(s) being less than 1% by weight with respect to the weight of the catalyst. The invention also relates to the process for the preparation of the catalyst and the use thereof in reforming.Type: GrantFiled: July 6, 2016Date of Patent: November 12, 2019Assignee: IFP Energies nouvellesInventors: Priscilla Avenier, Fabrice Diehl, Carine Guegan, Eric Sanchez
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Publication number: 20190126246Abstract: A catalyst comprising palladium, a porous support comprising at least one refractory oxide selected from the group constituted by silica, alumina and silica-alumina, the palladium content in the catalyst being in the range 0.01% to 2% by weight with respect to the total catalyst weight, at least 80% by weight of the palladium being distributed in a crust at the periphery of said support, the thickness of said crust being in the range 20 to 100 ?m, characterized in that said support is in the form of an extrudate and in that said support comprises a specific surface area in the range 165 to 250 m2/g.Type: ApplicationFiled: April 24, 2017Publication date: May 2, 2019Applicant: IFP Energies NouvellesInventors: Carine PETIT-CLAIR, Priscilla AVENIER, Malika BOUALLEG
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Publication number: 20190015819Abstract: The invention relates to a catalyst comprising a support, at least one noble metal M, tin, phosphorus and at least one lanthanide group element, the content of phosphorus element being comprised between 0.4 and 1% by weight, and the content of lanthanide group element(s) being less than 1% by weight with respect to the weight of the catalyst. The invention also relates to the process for the preparation of the catalyst and the use thereof in reforming.Type: ApplicationFiled: July 6, 2016Publication date: January 17, 2019Applicant: IFP Energies nouvellesInventors: Priscilla AVENIER, Fabrice DIEHL, Carine GUEGAN, Eric SANCHEZ
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Publication number: 20180147564Abstract: A catalyst comprises an active phase constituted by palladium, and a porous support comprising at least one refractory oxide selected from the group constituted by silica, alumina and silica-alumina, in which: the palladium content in the catalyst is in the range 0.0025% to 1% by weight with respect to the total weight of catalyst; at least 80% by weight of the palladium is distributed in a crust at the periphery of the porous support, the thickness of said crust being in the range 25 to 500 ?m; the specific surface area of the porous support is in the range 1 to 50 m2/g; the metallic dispersion D of the palladium is less than 20%.Type: ApplicationFiled: November 29, 2017Publication date: May 31, 2018Applicant: IFP Energies nouvellesInventors: Malika BOUALLEG, Priscilla AVENIER
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Publication number: 20180147563Abstract: A catalyst comprises an active phase constituted by palladium, and a porous support comprising at least one refractory oxide selected from the group constituted by silica, alumina and silica-alumina, in which: the palladium content in the catalyst is in the range 0.0025% to 1% by weight with respect to the total weight of catalyst; at least 80% by weight of the palladium is distributed in a crust at the periphery of the porous support, the thickness of said crust being in the range 25 to 450 ?m; the specific surface area of the porous support is in the range 70 to 160 m2/g; the metallic dispersion D of the palladium is less than 20%.Type: ApplicationFiled: November 28, 2017Publication date: May 31, 2018Applicant: IFP Energies NouvellesInventors: Malika BOUALLEG, Priscilla AVENIER
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Patent number: 9669387Abstract: The present invention concerns spheroidal alumina particles, catalysts comprising such particles as a support and a process for the production of spheroidal alumina particles, comprising the following steps: a) preparing a suspension comprising water, an acid and at least one boehmite powder for which the ratio of the crystallite dimensions in the [020] and [120] directions obtained using the Scherrer X-ray diffraction formula is in the range 0.7 to 1; b) adding a pore-forming agent, a surfactant and optionally water, or an emulsion comprising at least one pore-forming agent, a surfactant and water to the suspension of step a); c) mixing the suspension obtained in step b); d) shaping the spheroidal particles by the oil-drop method using the suspension obtained in step c); e) drying the particles obtained in step d); f) calcining the particles obtained in step e).Type: GrantFiled: November 16, 2012Date of Patent: June 6, 2017Assignee: IFP ENERGIES NOUVELLESInventors: Sylvie Lacombe, Priscilla Avenier, Malika Boualleg, Delphine Bazer-Bachi, Patrick Euzen, Joseph Lopez
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Patent number: 9422492Abstract: The present invention concerns an integrated process for the production of liquid hydrocarbons starting from a feed containing at least one fraction of biomass and optionally at least one fraction of another feed, said process comprising at least one pre-treatment step, a gasification step, a step for conditioning synthesis gas, a water scrubbing step, a step for eliminating acid gases, a final purification step, and a catalytic Fischer-Tropsch synthesis reaction step.Type: GrantFiled: October 30, 2013Date of Patent: August 23, 2016Assignees: IFP ENERGIES NOUVELLES, AXENS, BIONEXT, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES, AVRIL, THYSSENKRUPP INDUSTRIAL SOLUTIONS AG, TOTAL RAFFINAGE CHIMIEInventors: Guillaume Boissonnet, Michael Hecquet, Priscilla Avenier, Laurent Bournay, David Chiche, Jean-Philippe Heraud, Anne Claire Lucquin, Norbert Ullrich, Stéphane Fedou, Julien Rousseau, Raphael Lemaire, Jean-Christophe Viguie
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Publication number: 20150275112Abstract: The present invention concerns an integrated process for the production of liquid hydrocarbons starting from a feed containing at least one fraction of biomass and optionally at least one fraction of another feed, said process comprising at least one pre-treatment step, a gasification step, a step for conditioning synthesis gas, a water scrubbing step, a step for eliminating acid gases, a final purification step, and a catalytic Fischer-Tropsch synthesis reaction step.Type: ApplicationFiled: October 30, 2013Publication date: October 1, 2015Applicants: IFP ENERGIES NOUVELLES, AXENS, TOTAL RAFFINAGE CHIMIE, SOFIPROTEOL, THYSSENKRUPP UHDE GMBH, BIONEXTInventors: Guillaume Boissonnet, Michael Hecquet, Priscilla Avenier, Laurent Bournay, David Chiche, Jean-Philippe Heraud, Anne Claire Lucquin, Norbert Ullrich, Stéphane Fedou, Julien Rousseau, Raphael Lemaire, Jean-Christophe Viguie
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Publication number: 20140357471Abstract: The present invention concerns spheroidal alumina particles, catalysts comprising such particles as a support and a process for the production of spheroidal alumina particles, comprising the following steps: a) preparing a suspension comprising water, an acid and at least one boehmite powder for which the ratio of the crystallite dimensions in the [020] and [120] directions obtained using the Scherrer X-ray diffraction formula is in the range 0.7 to 1; b) adding a pore-forming agent, a surfactant and optionally water, or an emulsion comprising at least one pore-forming agent, a surfactant and water to the suspension of step a); c) mixing the suspension obtained in step b); d) shaping the spheroidal particles by the oil-drop method using the suspension obtained in step c); e) drying the particles obtained in step d); f) calcining the particles obtained in step e).Type: ApplicationFiled: November 16, 2012Publication date: December 4, 2014Applicant: IFP ENERGIES NOUVELLESInventors: Sylvie Lacombe, Priscilla Avenier, Malika Boualleg, Delphine Bazer-Bachi, Patrick Euzen, Joseph Lopez
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Publication number: 20120178979Abstract: The invention concerns a process for preparing a catalyst comprising at least one metal M from the platinum group, tin, a phosphorus promoter, a halogenated compound, a porous support and at least one promoter X1 selected from the group constituted by gallium, indium, thallium, arsenic, antimony and bismuth. The promoter or promoters X1 and the phosphorus are introduced during one or more sub-steps a1) or a2), the sub-step a1) corresponding to synthesis of the precursor of the main oxide and sub-step a2) corresponding to shaping the support. The tin is introduced during at least one of sub-steps a1) and a2). The product is dried and calcined before depositing at least one metal M from the platinum group. The ensemble is then dried in a stream of neutral gas or a stream of gas containing oxygen, and then is dried. The invention also concerns the use of a catalyst obtained by said process in catalytic reforming or aromatics production reactions.Type: ApplicationFiled: June 15, 2010Publication date: July 12, 2012Applicant: IFP Energies nouvellesInventors: Priscilla Avenier, Sylvie Lacombe, Herve Cauffriez
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Publication number: 20120122665Abstract: The invention concerns a catalyst comprising at least one metal M from group VIII, tin, a phosphorus promoter, a halogenated compound, a porous support and at least one promoter X1 selected from the group constituted by gallium, indium, thallium, arsenic, antimony and bismuth. In 119Sn Mössbauer spectroscopy, the catalyst in the reduced form has a signal with a quadripole splitting value in the range 0 to 0.45 mm/s and an isomer shift, IS, in the range 1.5 to 2.4 mm/s with respect to CaSnO3, said signal representing in the range 1% to 30% of the total area of the signals.Type: ApplicationFiled: June 15, 2010Publication date: May 17, 2012Applicant: IFP ENERGIES NOUVELLESInventors: Priscilla Avenier, Sylvie Lacombe, Jean Claude Jumas, Josette Olivier-Fourcade